Home / 140,520.16-193,924.92-83,192.40

Finding the Fourth Proportional to 140,520.16, 193,924.92 and 83,192.40

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Solution

The fourth proportional to 140,520.16, 193,924.92 and 83,192.40 is: 114,809.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,520.16 : 193,924.92 = 83,192.40 : x
  2. Step 2: Convert to fraction form
    140,520.16/193,924.92 = 83,192.40/x
  3. Step 3: Cross multiply
    140,520.16x = 193,924.92 × 83,192.40
  4. Step 4: Simplify right side
    140,520.16x = 16,133,079,514.61
  5. Step 5: Solve for x
    x = 16,133,079,514.61/140,520.16
  6. Step 6: Final answer
    x = 114,809.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.